Phoenix PLC-RSC-120UC/21-21 120 V AC/110 V DC Input Relay
Phoenix PLC-RSC-120UC/21-21 is a relay module with 120 V AC nominal input and 2 changeover contacts for control circuits. This Phoenix Phoenix 120 V AC/110 V DC Input Relay 2967086 belongs to the PLC Series and features 4 kV AC test voltage, 6 kV rated surge voltage, monostable polarized drive, bridge rectifier protective circuit, yellow LED operating display, AgNi contact material, screw connection, 7 ms response time, 10 ms release time, and safe isolation between control and contact sides.
| Brand | Phoenix Contact |
| Product Type | Relay Module |
| Model Number | PLC-RSC-120UC/21-21 |
Phoenix PLC-RSC-120UC/21-21 120 V AC/110 V DC Input Relay - Technical Specifications
| Specification | Value |
|---|---|
| Product type | Relay Module |
| Product family | PLC-INTERFACE |
| Application | Universal |
| Mechanical service life | 3x 107 cycles |
| Insulation | Safe isolation: Control side / contact side |
| Overvoltage category | III |
| Pollution degree | 3 |
| Maximum power dissipation for nominal condition | 0.54 W |
| Test voltage (Winding/contact) | 4 kV AC (50 Hz, 1 min., winding/contact) |
| Test voltage (Changeover contact/changeover contact) | 2.5 kV AC (50 Hz, 1 min., changeover contact/changeover contact) |
| Rated surge voltage | 6 kV |
| Nominal input voltage UN | 120 V AC |
| Input voltage range | 102 V AC ... 168 V AC (20 °C) |
| Drive and function | monostable |
| Drive (polarity) | polarized |
| Typical input current at UN | 4.5 mA (at UN = 120 V AC) |
| Typical response time | 7 ms |
| Typical release time | 10 ms |
| Protective circuit | Bridge rectifier; Bridge rectifier |
| Operating voltage display | Yellow LED |
| Contact switching type | 2 changeover contacts |
| Type of switch contact | Single contact |
| Contact material | AgNi |
| Maximum switching voltage | 250 V AC/DC (The separating plate PLC-ATP should be installed for voltages larger than 250 V (L1, L2, L3) between identical terminal blocks in adjacent modules. Potential bridging is then carried out with FBST 8-PLC... or ...FBST 500...) |
| Limiting continuous current | 6 A |
| Maximum inrush current | 15 A (300 ms) |
| Min. switching current | 10 mA (5 V) |
| Interrupting rating (ohmic load) max. | 140 W (at 24 V DC) |
| Switching capacity | 2 A (at 24 V, DC13) |
| Connection method | Screw connection |
| Stripping length | 8 mm |
| Conductor cross section rigid | 0.14 mm² ... 2.5 mm² |
| Conductor cross section flexible | 0.14 mm² ... 2.5 mm² |
| Conductor cross section AWG | 26 ... 14 |
| Tightening torque | 0.6 Nm ... 0.8 Nm |
| Width | 14 mm |
| Height | 80 mm |
| depth | 94 mm |
| Color | gray (RAL 7042) |
| Flammability rating according to UL 94 | V0 (Housing) |
| Degree of protection (Relay) | RT III (Relay) |
| Degree of protection (Relay base) | IP20 (Relay base) |
| Ambient temperature (operation) | -40 °C ... 60 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Temperature | D |
| Humidity | A |
| Vibration | B/C |
| EMC | B |
| Enclosure | Required protection according to the Rules shall be provided upon installation on board |
| Low Voltage Directive | Conformance with Low Voltage Directive |
| Electromagnetic compatibility | Conformance with EMC directive |
| Standards/regulations | IEC 60947-5-1 |
| Mounting Type | DIN rail mounting |
| Mounting position | any |
| Contact Connection type | - |
| Output fuse | - |
| Degree of protection (Installation location) | - |
The PLC-RSC-120UC/21-21 Phoenix 120 V AC/110 V DC Input Relay 2967086 is designed for universal switching tasks in industrial automation panels. It operates at 120 V AC with 2 changeover contacts and supports 4 kV AC insulation between winding and contact. With a 6 kV surge voltage rating and polarized monostable drive, it ensures defined switching performance. As part of the PLC Series, this Phoenix relay module is integrated into control systems across Indian manufacturing environments.
In conveyors, packaging machines, assembly stations, and distributed automation cabinets, the PLC-RSC-120UC/21-21 enables stable signal switching between controllers and field devices. The screw connection method ensures secure panel wiring, while the bridge rectifier protective circuit supports reliable input handling. Its 7 ms response time and 3x 10⁷ mechanical service life allow consistent performance in repetitive industrial operations.
The PLC-RSC-120UC/21-21 Phoenix 120 V AC/110 V DC Input Relay 2967086 combines electrical insulation, controlled switching, and compact integration for control cabinets. With 120 V AC input, two changeover contacts, 4 kV AC test voltage, and 0.54 W power dissipation, it meets structured automation requirements. Manufactured by Phoenix under the PLC Series, this relay module supports dependable operation in industrial automation environments.
